Crack thud thud thud tap tap.
With the sound of gravel hitting the paved ground, the only remaining exit or entrance to the Cavern sealed itself up, good as new, as if it hadn't ever existed in the first place.
Much like the majority of the ones Aoni had gotten rid of recently, this one was naturally occurring over time due to weather erosion or something else unknown; however, the fact still proved this much since it was a straightforward entryway, contrary to the bug-made ones deep in the aquifer.
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Standing before the perfectly smoothed rocky wall and giving it a few solid raps with his knuckles, Aoni spun on his heel and began walking away while looking up at the ever-glowing moss carpet in the sky.